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12 27 12 28 12 29 12 30 12 31 12 32 12 33 12 34 12 35 12 36 12 37 12 38 12 39 12 40 12 41 12 42 2134 2133 2132 2131 2130 2129 2128 2127 2126 2125 2124 2123 2122 2121 2120

= Free Coordinate    = Occupied(Single Region)     = Occupied (Var Region)     = Center of the grid